Table of Contents

Chapter 1

Hardware Overview

 

1.1

Features

1-1

1.2

System Block Diagram

1-7

1.3

2.5-inch Hard Disk Drive

1-11

1.4

Optical Drive

1-13

1.5

Keyboard

1-17

1.6

TFT Color Display

1-18

1.7

Power Supply

1-20

1.8

Batteries

1-22

1.9

AC Adapter

1-25

Chapter 2

Troubleshooting Procedures

 

2.1

Troubleshooting

2-1

2.2

Troubleshooting Flowchart

2-3

2.3

Power Supply Troubleshooting

2-8

2.4

System Board Troubleshooting

2-18

2.5

USB FDD Troubleshooting

2-39

2.6

2.5” HDD Troubleshooting

2-43

2.7

Keyboard Troubleshooting

2-48

2.8

Touch pad Troubleshooting

2-50

2.9

Display Troubleshooting

2-52

2.10

Optical Disk Drive Troubleshooting

2-55

2.11

Modem Troubleshooting

2-56

2.12

LAN Troubleshooting

2-58

2.13

Wireless LAN Troubleshooting

2-59

2.14

Bluetooth Troubleshooting

2-62

2.15

Sound Troubleshooting

2-65

vi

[CONFIDENTIAL]

QOSMIO G50 Maintenance Manual (960-683)

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Toshiba G50 manual Table of Contents